<template>
  <div class='rank' ref='rank'>
    <scroll class='toplist' ref='scroll'>
      <ul v-show='!showLoading'>
        <li class='item'  v-for='item in yunTopList' :key='item.id' @click='selectItem(item)'>
          <div class='icon'>
            <img v-lazy='item.coverImgUrl' width='100' height='100'>
          </div>
          <ul class='songlist'>
            <li class='song' v-for='(song, index) in item.top' :key='index'>
              <span>{{index + 1}}.</span>
              <span>{{song.name}} - {{song.ar[0].name}}</span>
            </li>
          </ul>
        </li>
      </ul>
      <div v-show='showLoading' class='loading-content'>
        <loading></loading>
      </div>
    </scroll>
    <router-view></router-view>
  </div>
</template>

<script>
import {getTop} from 'api/rank'
import Scroll from 'base/scroll/scroll'
import Loading from 'base/loading/loading'
import {playlistMixin} from 'common/js/mixin'
import {mapMutations} from 'vuex'

const YUNMUSIC_TOP = [0, 1, 2, 3, 4, 22, 23]

export default {
  mixins: [playlistMixin],
  data () {
    return {
      yunTopList: [],
      showLoading: true,
    }
  },
  created () {
    this._getTopList()
  },
  methods: {
    selectItem (item) {
      this.$router.push({
        path: `/rank/${item.id}`,
      })
      this.setTopList(item)
    },
    handlePlaylist (playlist) {
      const bottom = playlist.length > 0 ? '60px' : ''
      this.$refs.rank.style.bottom = bottom
      this.$refs.scroll.refresh()
    },
    _getTopList () {
      let topFuncArr = []
      YUNMUSIC_TOP.map(item => {
        topFuncArr.push(getTop(item))
      })
      Promise.all(topFuncArr).then(res => {
        res.map(item => {
          let list = item.data.playlist
          list.top = item.data.playlist.tracks.slice(0, 3)
          this.yunTopList.push(list)
        })
        this.showLoading = false
      })
    },
    ...mapMutations({
      setTopList: 'SET_TOP_LIST',
    }),
  },
  components: {
    Scroll,
    Loading,
  },
}
</script>

<style scoped lang='scss' >
@import "~common/scss/variable";
@import "~common/scss/mixin";

.rank {
  position: fixed;
  width: 100%;
  top: 88px;
  bottom: 0;
  .toplist {
    height: 100%;
    overflow: hidden;
    padding-top: 5px;
    .item {
      display: flex;
      margin: 0 10px;
      padding: 3px 0;
      height: 100px;
      border-bottom: 1px solid rgb(228, 228, 228);
      &:last-child {
        padding-bottom: 20px;
      }
      .icon {
        flex: 0 0 100px;
        width: 100px;
        height: 100px;
        img {
          border-radius: 3px;
        }
      }
      .songlist {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 0 20px;
        height: 100px;
        overflow: hidden;
        // background: $color-dialog-background;
        color: $color-text;
        font-size: $font-size-small-x;
        .song {
          @include no-wrap();
          line-height: 30px;
        }
      }
    }
    .loading-container {
      position: absolute;
      width: 100%;
      top: 50%;
      transform: translateY(-50%);
    }
  }
  .loading-content {
    position: fixed;
    width: 100%;
    top: 50%;
    transform: translateY(-50%);
  }
}
</style>
